Update AWS instance_types

db/fixtures/aws_instance_types.yml

@@ -4613,6 +4613,34 @@ c7gn.medium:
   :vcpu: 1
   :virtualization_type: []
   :vpc_only: true
+c7gn.metal:
+  :architecture:
+  - :arm64
+  :cluster_networking: 
+  :current_generation: true
+  :current_version: true
+  :description: C7GN Metal
+  :ebs_only: true
+  :ebs_optimized_available: true
+  :enhanced_networking: true
+  :family: Compute optimized
+  :instance_store_size: 0
+  :instance_store_size_gb: 0.0
+  :instance_store_type: 
+  :instance_store_volumes: 0
+  :intel_aes_ni: true
+  :intel_avx: 
+  :intel_avx2: 
+  :intel_turbo: 
+  :memory: 137438953472
+  :memory_gb: 128.0
+  :name: c7gn.metal
+  :network_performance: :very_high
+  :physical_processor: AWS Graviton3 Processor
+  :processor_clock_speed: 2.6 GHz
+  :vcpu: 64
+  :virtualization_type: []
+  :vpc_only: true
 c7gn.xlarge:
   :architecture:
   - :arm64